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B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
B22C1/167—Mixtures of inorganic and organic binding agents
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FR708455D1930-12-291930-12-29Matière pour former des moules et des noyaux pour moules à sable
ExpiredFR708455A
(fr)